Abstract:MemberThe authors have studied diagnostic technique of gas insulated switchgear (GIS) using partial discharge (PD) induced electromagnetic wave measured by UHF sensors. So far, we have proposed to discriminate discharge type by introducing amplitude ratio Rp: the positive peak value V p+ to the negative one V p− of the first wave of incoming electromagnetic wave measured with UHF sensors. In this paper, we discuss electromagnetic wave radiated from simulated pulse and PD measured with disk-type UHF sensors and… Show more
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